# models.py
class Card:
    def __init__(self, card_id, card_pwd, money):
        self.card_id = card_id
        self.card_pwd = card_pwd
        self.money = money
        self.card_lock = False

class User:
    def __init__(self, name, id, phone, card):
        self.name = name
        self.id = id
        self.phone = phone
        self.card = card
